Kipkorir, B. E., & Welbourn, F. B. (1973). The Marakwet of Kenya: A preliminary study. East African Literature Bureau.
Lua i Stíl Chicago (17ú heag.)Kipkorir, B. E., agus Frederick Burkewood Welbourn. The Marakwet of Kenya: A Preliminary Study. Nairobi: East African Literature Bureau, 1973.
Lua MLA (9ú heag.)Kipkorir, B. E., agus Frederick Burkewood Welbourn. The Marakwet of Kenya: A Preliminary Study. East African Literature Bureau, 1973.
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